package com.lbb.springboot.config;

/**
 * @author likanghong
 */
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
@Configuration
public class WebSecurityConfig extends WebMvcConfigurerAdapter {


    @Bean
    public SecurityInterceptor getSecurityInterceptor() {
        return new SecurityInterceptor();
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        InterceptorRegistration addInterceptor = registry.addInterceptor(getSecurityInterceptor());
        addInterceptor.excludePathPatterns("/manage/");
        // 拦截配置
        addInterceptor.addPathPatterns("/manage/**");
    }

    private class SecurityInterceptor extends HandlerInterceptorAdapter {

        @Override
        public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
                throws Exception {

                HttpSession session = request.getSession();
                if (session.getAttribute("admin") != null) {
                    return true;
                }
            // 跳转登录
            String url = "/ulbb/manage/";
            response.sendRedirect(url);
            return false;
        }
    }
}